# Calc Pro vs Simple Calculator Multi

The clearest difference is ads: Simple Calculator Multi at none against Calc Pro's shown. Simple Calculator Multi also leads on iOS requirement (15.1 vs 18.0). Calc Pro's advantage is update cadence (monthly vs every 13 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calc Pro ships an update monthly, Simple Calculator Multi every 13 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Calc Pro | Simple Calculator Multi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/calc-pro-simple-and-useful/id1444681142/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 13 months |
| Monetization | Ad-supported | — |
| Size | 8 MB | 25 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keita Nonaka](https://appshunter.io/developer/1252557006) | [tadashi endo](https://appshunter.io/developer/1605441215) |

## What reviewers say

### Calc Pro

[App page](https://appshunter.io/ios/app/calc-pro-simple-and-useful/id1444681142)

This powerful calculator handles complex equations and huge numbers with up to 15 digits of precision. It saves your calculation history, allowing you to reuse previous equations and answers. Access scientific functions like square root and logarithms easily with a swipe.

**Highlights:** Complex calculations, Huge number handling, Calculation history, Scientific functions, Dark Mode, Copy answer

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Calculator Multi

[App page](https://appshunter.io/ios/app/simple-calculator-multi-screen/id1605441213)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calc Pro free?

Calc Pro is free to download, with no in-app purchases.

### Is Simple Calculator Multi free?

Simple Calculator Multi is free to download, with no in-app purchases.

### Do Calc Pro or Simple Calculator Multi have ads?

Calc Pro shows ads; Simple Calculator Multi does not.

### Which is updated more often, Calc Pro or Simple Calculator Multi?

Calc Pro ships an update monthly, and Simple Calculator Multi every 13 months. Most recently, Calc Pro was updated on October 24, 2026 and Simple Calculator Multi on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*